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    <title>Document</title>
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<body>
    <script>
        // 改成ES6
        var name = "张三";
        // var obj = {
        //     name:name,
        //     arr:[{
        //         name:"李四",
        //         age:30
        //     },{
        //         name:"李四",
        //         age:20
        //     },{
        //         name:"李四",
        //         age:28
        //     }],
        //     fn:function(){  //改成简写
        //         console.log("fn");
        //     },
        //     fn1:function(){  //箭头语法 
        //         console.log("fn1");
        //     }
        // }
        // 需要筛选 arr 打印所有大于25岁的人；

        // let name="张三"
        // let obj={
        //     name:name,
        //     arr:[{
        //         name:"李四",
        //         age:30
        //     },]
        // }


        var obj = {
            name,
            arr:[{
                name:"李四",
                age:30
            },{
                name:"李四",
                age:20
            },{
                name:"李四",
                age:28
            }],
            fn(){  //改成简写
                console.log("fn");
            },
            fn1:()=>{  //箭头语法 
                console.log("fn1");
            }
        }
        let {arr} = obj;

        var res =  arr.filter(item=>item.age>25);
        console.log(res);







    </script>
</body>
</html>